//
//  AlertTool.m
//  WisdomStar
//
//  Created by 谭飞 on 2018/10/31.
//  Copyright © 2018年 zhangliwen. All rights reserved.
//

#import "AlertTool.h"


@implementation AlertTool

// singleton
+ (instancetype)share {
    static AlertTool *_tool = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _tool = [[AlertTool alloc] init];
    });
    return _tool;
}



@end
